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    <meta charset="UTF-8">
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    <title>求字符串数组中每一项的长度</title>
    <script>
        var array = ["apple", "banana", "orange", "grape"];
        var newArray = [];

        for (var i = 0; i < array.length; i++) {
            newArray.push(array[i].length);
        }

        console.log(newArray);
    </script>
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